Sins of a Solar Empire (PC)

Minimum:
Windows XP SP2 / Windows Vista
1.8 GHz Single-Core Processor
512 MB RAM (1 GB for Windows Vista)
128 MB DirectX 9 3D Video Card (Radeon 9600 / GeForce FX 6600 and above)
DirectX 9.0c Compatible Sound Card
DVD-ROM Drive
3 GB Hard Drive Space
Keyboard and Mouse
DirectX 9.0c

Recommended:
2.2 GHz Dual- or Quad-Core Processor
1 GB RAM (2 GB for Windows Vista)
256 MB DirectX 9 3D Video Card (Radeon X1600 / GeForce 7600 and above)